Air conditioner



FIG. 1 is a perspective view of an air conditioner showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a right side view of a usage state; and,

FIG. 9 is a perspective view of a usage state. 

CLAIM The ornamental design for air conditioner, as shown and described. 